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MSPM0L1105: ADC conversion memory

Harry Ma
Intellectual 2610 points
Part Number: MSPM0L1105

Hi Team

I found the conversion memory can be configured as 11 in the code, but in the system configure, it can be configured reaching to 3.

Can you explain why?

  • +1
    TI__Genius 10490 points

    Hello Harry,

    The "0-11" represents the channel 0-channel 11 of ADC. And the "0-3" represents the memory 0-memory 3 of one ADC. One ADC just have four memory which represents one ADC can only process 4 channel signal at the same time. If you want to process <= 8 channel signal at the same time, you can use two ADC, and each ADC processes 4 channel signal. It should be noticed that the speed of ADC sampling is very high, so the external manifestation is synchronous sampling of the 4 channel signal. 

    Best Regards,

    Janz Bai